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An electron travelling in a uniform electric field passes from a region of potential V1 to a region of higher potential V2. Then
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Correct option is A
As the electron is going from low potential to high potential, its potential energy decreases, which results in increase in KE. Hence speed definitely increases. Direction of motion may or may not change depending on the angle at which it enters the other region. If θ is zero, then direction of motion remains same.vsinα=usinθ, but vcosα>ucosθso α<θ, v=uTalk to our academic expert!
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If an electron moves from rest from a point at which potential is 50 volt to another point at which potential is 70 volt, then its kinetic energy in the final state will be
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